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DTSTART:20190331T030000
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DTSTART:20181028T020000
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DTSTAMP:20260404T015847Z
UID:5bbb1dca9be93192937523@ist.ac.at
DTSTART:20190115T110000
DTEND:20190115T123000
DESCRIPTION:Speaker: Luis Peña Ardila\nhosted by Misha Lemeshko\nAbstract:
  Mobile impurities in a Bose-Einstein condensate can form quasi-particles 
 termed Bose-Polarons. In this talk I show how these quasi-particles are or
 iginated when a single impurity is dressed by the excitations of the quant
 um bosonic bath. The moststriking advantage of these polarons is the huge 
 degree of controllability of thecoupling strength between the impurity and
  the bosonic bath. Thus\, one can realize polarons from weak all the way u
 p to the strong interacting regime [1\,2]. For strong interactions two pol
 aron can bind together forming bound bipolarons states. They emerge due to
  the induced non-local interaction mediated by density oscillations of the
  bath [3\,4]. Polarons and bipolarons in ultra-cold quantum gases could be
  used as a robust platform for quantum simulation in a condensed matter co
 ntext.REFERENCES.[1] N. B. Jrgensen\, L. Wacker\, K. T. Skalmstang\, M. M.
  Parish\, J. Levinsen\, R. S. Christensen\, G. M.Bruun\, and J. J. Arlt. P
 hys. Rev. Lett. 117 . 055302 (2016).[2] M-G Hu\, M. J. V. de Graaff\, D. K
 edar\, J. P. Corson\, E. A. Cornell\, and D. S. Jin. Phys. Rev.Lett. 117\,
  055301 (2016).[3] L. A. P. Ardila and S. Giorgini. Phys. Rev. A 92\, (201
 5).[4] A. Camacho-Guardian\, Luis. A. Pea Ardila\, Thomas Pohl and G. M.Br
 uun. Phys. Rev. Lett. 121\, 013401 (2018)
LOCATION:Big Seminar room Ground floor / Office Bldg West (I21.EG.101)\, IS
 TA
ORGANIZER:jdeanton@ist.ac.at
SUMMARY:Luis Peña Ardila: From Single to interacting Polarons in Bose-Eins
 tein condensates
URL:https://talks-calendar.ista.ac.at/events/1714
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